Internet service provider
US /ˈɪntərˌnɛt ˈsɜrvɪs prəˈvaɪdər/
UK /ˈɪntərˌnɛt ˈsɜrvɪs prəˈvaɪdər/

1.
a company that provides subscribers with access to the Internet
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I need to call my Internet service provider because my Wi-Fi isn't working.
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Choosing the right Internet service provider can save you money.
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